Possible Clues:

• Wind it up to harp on it
• Get the wind up and harp on it
• Activated by wind
• Type of harp, the strings sound when wind passes over them
• Might Russell get the wind up and nail it up round the bottom? (7)
• Nailsea set back with minor damage, affected by the wind
• - - harp
• Thus might one harp on having the wind up
• Get the wind up to get the harp after it
• Type of harp, using wind